“扩音器”概念、定义、翻译-科学时代

单词	扩音器
释义	物理学词汇手册扩音器 amplifier; loudspeaker; microphone
随便看	original substance original tape original text original text delivery original theory of evolution original thought original title original trace original trademark original tribe original tube original value original version original version original version Original Video Animation (OVA) original work original work original works original writer originated tonnage originating connection originating depository financial institution originating payment centre originating point

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。